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目的：探讨ＭＲＩ鉴别软组织肿块良、恶性的价值。方法：ＭＲＩ检查６７例软组织肿块，其中２５例肿块应用ＳＴＩＲ成像，４７例肿块Ｇｄ－ＤＴＰＡ增强造影。结果：６７例软组织肿块，良性５２例，恶性１５例。根据ＭＲＩ影像特征，１１例（２１．２％）良性肿块和１例（６．７％）恶性肿块正确诊断。当ＭＲＩ影像特征结合临床资料后，良性肿块定性准确率９４．２％，恶性肿块定性准确率８０％。结论：仅根据ＭＲＩ影像特征，大多数软组织肿块的良、恶性鉴别是不可靠的，当ＭＲＩ影像特征和临床资料结合后，大多数软组织肿块的良、恶性鉴别是可能的。
Objective: To investigate the value of MRI in distinguishing benign and malignant soft tissue masses. Methods: MRI examination of 67 cases of soft tissue masses, of which 25 cases of the application of STIR imaging, 47 cases of tumor Gd-DTPA enhanced imaging. Results: There were 67 soft tissue masses, 52 benign and 15 malignant. According to MRI features, 11 cases (21.2%) of benign tumors and 1 case (6.7%) of malignant tumors were correctly diagnosed. When the characteristics of MRI images combined with clinical data, the accuracy rate of benign mass was 94.2%, and the accuracy rate of malignant mass was 80%. Conclusion: According to the characteristics of MRI images, the discrimination between benign and malignant of most soft tissue masses is not reliable. When the characteristics of MRI images are combined with clinical data, the discrimination between benign and malignant of most soft tissue masses is possible.